+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>